Procedure to Manual update SONY Xperia V LT25i with Jellybean 4.1.2 9.1.A.0.490 Firmware:
- Download 9.1.A.0.490 Jellybean 4.1.2 Firmware Package and Flashtool from here to your computer. Once downloaded, you need to open the Flash tool to install and open the same. While installing the flashtool, you need to follow the on screen instructions.
- Create a folder on Desktop with the name “Xperia V Jellybean Update” and place the .ftf file in this folder.
- Navigate to the path C:\Flashtool path or to the path where you have installed the Flashtool in your computer.
- Open the Flashtool and click on “Thunder” symbol situated at the top left portion of the Flash tool and select the “Flashmode” in the pop up and then click on “Ok” to proceed.
- On firmware selection window you will need to click on “…” to select the file of .ftf which is in “Xperia V Jellybean Update”. Select the path and then it will automatically pick up the firmware file.
- Now, you will need to turn off the phone, wait for 10 seconds and then press the Volume Down Rocker Key and at the same time connect your device to the computer with the help of original USB cable.
- The update process will take around 4 -5 minutes and once the update is done, you will need to wait for 4- 8 more minutes for device to reboot as it takes longer time than usual.
- Once the firmware update is applied successfully, you can check the same from the path “Settings > About Phone > Build Number” where the current firmware will be mentioned as 4.1.2 Jellybean 9.1.A.0.490 Firmware.
Note: If at all your SONY Xperia V gets in the boot loop sequence then you need to turn off the device and then reapply the update from the start. To turn off you can reinsert the battery or say you can long press the power button.
Do let us know in the comments section just in case if you face any issues in the process of firmware update as we will try our level best to sort out the same.
